Home / 43,515.94-65,299.80-15,816.10

Finding the Fourth Proportional to 43,515.94, 65,299.80 and 15,816.10

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Solution

The fourth proportional to 43,515.94, 65,299.80 and 15,816.10 is: 23,733.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,515.94 : 65,299.80 = 15,816.10 : x
  2. Step 2: Convert to fraction form
    43,515.94/65,299.80 = 15,816.10/x
  3. Step 3: Cross multiply
    43,515.94x = 65,299.80 × 15,816.10
  4. Step 4: Simplify right side
    43,515.94x = 1,032,788,166.78
  5. Step 5: Solve for x
    x = 1,032,788,166.78/43,515.94
  6. Step 6: Final answer
    x = 23,733.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.